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The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
The challenge in science is not just to find answers but to understand their deeper implications.
The best performance improvement is the transition from the nonworking state to the working state.
对做好自己的事感到满足,不必理会别人如何议论你。
我不让失败定义我,我让它磨砺我。